increased its speed by 8 km/h?
13. A girl walks 12 km at the speed of 3 km/h. What change should she make in her speed to
take (i) an hour less and (ii) an hour more to cover the distance?
4. A motorcyclist travels at 30 km/h and stops for half an hour at the end of every 75 km How
Answers
Answered by
0
Answer:
less=2km/hr
more=4km/hr
Step-by-step explanation:
I'm not sure
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